Decorative house louver



FIG. 1 is a frontal view of the decorative house louver, the broken lines showing the upper portion of a house is for illustrative purposes only and form no part of the claimed design;

FIG. 2 is a perspective view of the decorative house louver;

FIG. 3 is a frontal plan view of the decorative house louver;

FIG. 4 is a side elevational view of the decorative house louver;

FIG. 5 is a top plan view of the decorative house louver; and,

FIG. 6 is a rear elevational view of the decorative house louver. 

The ornamental design for a decorative house louver, as shown and described. 